Feature: Super user can delete Discord groups

[VaibhavSingh8]

Issue Description

Super users cannot delete discord groups from the '/groups' endpoint on the dashboard site.

Expected Behavior

At the Discord Groups Page, the superusers should be able to delete existing groups from the UI.

Current Behavior

Super users don't have the option to delete discord groups through UI on the Discord Groups page.

Screenshots

Reproducibility

• [x] This issue is reproducible
• [ ] This issue is not reproducible

Steps to Reproduce

1. Login as a super user at the Dashboard site.
2. Visit [Discord Groups](https://dashboard.realdevsquad.com/groups/). You shall not see a delete / remove group option.

Severity/Priority

• [ ] Critical
• [ ] High
• [x] Medium
• [ ] Low

Additional Information

Checklist

• [x] I have read and followed the project's code of conduct.
• [x] I have searched for similar issues before creating this one.
• [x] I have provided all the necessary information to understand and reproduce the issue.
• [x] I am willing to contribute to the resolution of this issue.